/Engine/Source/Editor/AnimationModifiers/Public/IAnimationModifiersModule.h
Shows a new modal dialog allowing the user to setup Animation Modifiers to be added for all AnimSequences part of InSequences
void ShowAddAnimationModifierWindow ( const [TArray](API\Runtime\Core\Containers\TArray)< [UAnimSequence](API\Runtime\Engine\Animation\UAnimSequence) * > & InSequences )